On 08/29/2009 08:15 PM, Michael Fleming wrote:
On Sat, 29 Aug 2009 11:26:06 -0400
Jim<mickeyboa@xxxxxxxxxxxxx> wrote:
On 08/29/2009 06:23 AM, Clodoaldo Pinto Neto wrote:
When capturing the traffic with Wireshark there is no IPv6 traffic
at all. When I set network.dns.disableIPv6 to true I can see all
IPv4 in Wireshark. This is Fedora 10 64.
While it is easy to solve it for Firefox there are many services
that can't connect even if I disable IPv6 in the system. One
symptom is Yum has to try repetitively until it finds a suitable
host:
http://mirrors.ucr.ac.cr/fedora/releases/10/Everything/x86_64/os/repodata/repomd.xml:
[Errno 4] IOError:<urlopen error (-2, 'Name or service not known')>
Trying other mirror.
Another is that the weather applet and folding@home can't connect.
When I disable IPv6 in the system the applet connects but Yum
behaves the same (multiple tries) and still folding@home can't
connect.
My name servers are set to opendns:
# cat /etc/resolv.conf
# Generated by NetworkManager
nameserver 208.67.220.220
nameserver 208.67.222.222
nameserver 10.1.1.1
# cat /etc/sysconfig/network
NETWORKING=yes
HOSTNAME=d2.localdomain
NETWORKING_IPV6=yes
# cat /etc/sysconfig/network-scripts/ifcfg-eth0
# Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit
Ethernet controller
DEVICE=eth0
BOOTPROTO=none
DNS1=208.67.220.220
DNS2=208.67.222.222
DNS3=10.1.1.1
GATEWAY=10.1.1.1
HWADDR=00:21:97:00:79:21
IPADDR=10.1.1.110
NETMASK=255.0.0.0
ONBOOT=yes
TYPE=Ethernet
USERCTL=no
IPV6INIT=yes
NM_CONTROLLED=yes
PEERDNS=yes
I have another machine, F11, behind the same ADSL router, Dlink DSL
500B, without problems.
Any ideas?
Regards, Clodoaldo
This IPV6 thing is a problem in FC11 , FC10, everyone of the of the
12 boxes I have setup in FC11 I have had to do the below setup to
even connect to rpmfusion.org.
Turning IPv6 related DNS lookups off (even in firefox) is NOT fixing the
issue - will people please stop posting this utter trash as helpful
information please? There's enough myths around IPv6 as it is and this
isn't helping.
(plus such people might want to look at how the getaddrinfo() call
works..)
The problem is the OP has *enabled* IPv6 - loaded the module etc. but
hasn't *configured* it. It won't magically set up a tunnel / 6to4 /
native connection, you have to do a little more tweaking
See ipv6-6to4.howto in the initscripts documentation
(/usr/share/doc/initscripts-<version>/) for a brief primer on 6to4,
which will get you up and going without having to sign up for a tunnel
broker etc.
I have two IPv6 tunnels running - one on a Fedora 10 server (qbert,
served by my ISP here in Australia) and a CentOS VM (gyruss) through
Hurricane Electric - both work OK
[root@qbert ~]# traceroute6 fedoraproject.org
traceroute to fedoraproject.org (2610:28:200:1::fed0:1), 30 hops max,
80 byte packets
1 2001:44b8:61::62 (2001:44b8:61::62) 61.238 ms
63.470 ms 65.738 ms
2 vl67.cor1.adl6.internode.on.net
(2001:44b8:8060:8000::1) 67.064 ms 69.794 ms 70.104 ms
3 gi0-0.bdr1.adl6.internode.on.net (2001:44b8:8060:14::1) 72.050 ms * *
4 pos4-2.bdr1.syd7.internode.on.net (2001:44b8:b070:2::1) 98.805 ms *
*
5 pos1-3-0.bdr2.nrt1.internode.on.net (2001:44b8:f0a0:2::1) 217.948
ms 219.611 ms 221.365 ms
6 equinix-tyo.he.net (2001:de8:5::6939:1) 223.472 ms 197.651 ms
198.828 ms
7 2001:470:0:119::1 (2001:470:0:119::1) 310.388 ms
310.695 ms 309.959 ms
8 10gigabitethernet3-2.core1.pao1.he.net
(2001:470:0:32::2) 286.479 ms 286.684 ms 283.265 ms
9
snvang.abilene.ucaid.edu (2001:504:d::bd) 318.081 ms 318.509 ms
318.226 ms
10 * * *
11 * * *
12 2001:468:ffff:155::2
(2001:468:ffff:155::2) 358.482 ms 358.215 ms 357.666 ms
13 2610:28:10e:2::1 (2610:28:10e:2::1) 393.498 ms 393.133 ms 392.833
ms
14 2610:28:105:13::2 (2610:28:105:13::2) 360.110 ms 360.089 ms
360.863 ms
15 2610:28:200:1::fed0:1 (2610:28:200:1::fed0:1) 361.113
ms !X 360.678 ms !X 361.396 ms !X
[mfleming@gyruss ~]$ traceroute6 fedoraproject.org
traceroute to fedoraproject.org (2610:28:200:1::fed0:1), 30 hops max, 40 byte packets
1 dotprofile-1.tunnel.tserv8.dal1.ipv6.he.net (2001:470:1f0e:16f::1) 8.000 ms 8.000 ms 8.000 ms
2 gige-g2-14.core1.dal1.he.net (2001:470:0:78::1) 8.000 ms 8.000 ms 8.000 ms
3 10gigabitethernet1-4.core1.chi1.he.net (2001:470:0:c4::1) 36.002 ms 36.002 ms 36.002 ms
4 ge-2-2-0.11.rtr.chic.net.internet2.edu (2001:504:0:4:0:1:1537:1) 56.003 ms 56.003 ms 56.003 ms
5 * * *
6 2001:468:ffff:155::2 (2001:468:ffff:155::2) 68.004 ms 60.003 ms 60.004 ms
7 (2610:28:10e:2::1) 64.004 ms 64.004 ms 64.004 ms
8 (2610:28:105:13::2) 64.004 ms 64.004 ms 64.004 ms
9 (2610:28:200:1::fed0:1) 68.004 ms !X 68.004 ms !X 68.004 ms !X
Michael.
Well Mr Fleming it takes care of the problem until someone figures out
the real problem.
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